304220214040 has 32 divisors (see below), whose sum is σ = 685634463360. Its totient is φ = 121485600000.

The previous prime is 304220214007. The next prime is 304220214049. The reversal of 304220214040 is 40412022403.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304220214049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6303336 + ... + 6351415.

It is an arithmetic number, because the mean of its divisors is an integer number (21426076980).

Almost surely, 2^304220214040 is an apocalyptic number.

It is an amenable number.

304220214040 is an abundant number, since it is smaller than the sum of its proper divisors (381414249320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

304220214040 is a wasteful number, since it uses less digits than its factorization.

304220214040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12655363 (or 12655359 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 304220214040 its reverse (40412022403), we get a palindrome (344632236443).

The spelling of 304220214040 in words is "three hundred four billion, two hundred twenty million, two hundred fourteen thousand, forty".